查询词典 acid reaction

Two approaches are employed to prepare thiocyanuric acid derivatized gold nanoparticles, including the direct reduction of gold ions by potassium bitartrate and NaBH〓 and then through ligand exchange reaction.

用两种不同方法合成了三聚硫氰酸衍生的金纳米粒子，包括由酒石酸氢钾直接还原金离子及NaBH〓还原金离子后经配体交换反应。

Citric acid with calcium in the bone reaction, and softening of bone, bone oil熬出fat to bone.

柠檬酸还与鸡骨中的钙质发生反应，且软化骨质，熬出骨油骨脂来。

Based on the characteristic that boracic acid (H3BO3) has a condasation and complexation reaction with 3-MCPD forming a negative-charged adduct in aqueous phase, arapid method for the direct determination of 3-MCPD in HVP by capillary electrophoresis with conductivity detection was investigated.

利用硼酸能与3-氯-1，2-丙二醇(3-MCPD)上的2个邻位羟基进行键合生成配合阴离子、从而增加多羟基化合物的负电荷的特性，在15 mmol/L 三羟甲基氨基甲烷-10 mmol/L H3BO3(pH 8.3)介质中，采用毛细管电泳/电导检测法分离检测了3-MCPD，该方法的线性范围为0.5-20 mg/L，检出限为0.1 mg/L(S/N=3)。

The experiments show that in the new diol boric acid and the proportion of different circumstances, different forms of its response, the proportion of three different reaction there.

实验表明，在硼酸与新戊二醇的比例不同的情况下，其反应形式不同，有三种不同比例的反应存在。

Superfine zinc borate is obtained by solid phase grinding reaction from zinc oxide and boric acid.

硼酸与氧化锌之间的固相反应对于硼酸和氧化锌粒径的变小具有促进作用。

Ethyl 4-[(1-hydroxy-1-methyl)ethyl]-2-propyl-1H-imidazole-5-carboxylate,the key intermediate of Olmesartan ,was synthesized from butanoic acid and o-phenylenediamine via condensation under microwave-irradiation,oxidation,esterification and the Gringard reaction.

用正丁酸与邻苯二胺为原料，在微波照射下缩合成2-丙基苯并咪唑，再氧化开环制得2-丙基咪唑二羧酸，再经酯化、Gringard反应制得抗高血压药物奥美沙坦的关键中间体2-丙基-4-[(1-羟基-1-甲基)乙基]-1H-咪唑-5-羧酸乙酯，总收率32.2%。

The influences of reaction temperature, ratio of citric acid to butanol, and the mass of catalyst on esterification performance were emphatically studied.

采用正交实验考察了反应温度、催化剂用量、酸醇摩尔比对柠檬酸转化率的影响，得出最佳反应条件为：反应温度120℃、催化剂用量为总物料质量的1.5%、酸醇摩尔比1：4。

Using mathematical methods studied wet oxidation catalyst butyric acid degradation reaction is in the process of TOC changes.

采用数学方法研究了催化湿法氧化降解正丁酸反应过程中的TOC变化。

By means of hydrothermal method, high quality calcium stearate were cleanly synthesized by the reaction of calcium hydroxide with stearic acid in water.

以硬脂酸和氢氧化钙为原料，采用水热法合成出了色泽好的高质量硬脂酸钙。

Insecticidal sucrose octanoate and sucrose caproate were synthesized by transesterification method or reaction of acid chloride with sucrose.

分别以酯交换法和酰氯法合成了辛酸蔗糖酯和己酸蔗糖酯两种杀虫活性蔗糖酯，其中酯交换法产物单酯含量高，而酰氯法反应速度快。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。